Abstract
The results of modeling photoelectric converters in a system with spectral splitting of solar energy are detailed. The solar radiation in this system is divided into three spectral regions (Δλ1 725 nm) with the use of dichroic filters and is then converted into electric energy by the photoelectric converters based on single-junction InGaN/GaN and GaAs/AlGaAs heterostructures and monocrystalline c-Si silicon. Special attention is paid to the study regarding the possibility of expanding the spectral absorption range of the system by increasing the conversion efficiency in the ultraviolet part of the spectrum. The overall efficiency of the system in the entire spectrum varies from 21 to 37%, depending on the heterostructure design of the single-junction photoelectric converters and the configuration of the optical systems.
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